Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet

42023E–SAM–07/2013

Name: PCLKSR

Read-only

Offset: 0x0014

0x00000000

0: Low Power Bandgap not enabled or not ready.

1: Low Power Bandgap is stable and ready to be used as voltage reference source.

0: RC1M oscillator not enabled or not ready.

1: RC1M oscillator is stable and ready to be used as clock source.

0: Buck voltage regulator has not requested to stop switching or the stop switching request is not yet acknowledged.

1: Buck voltage regulator has stopped switching after a stop switching request.

This bit should be read only when the switching regulator feature is used.

1: No BOD18 synchronization is ongoing.

0: A BOD18 synchronization is ongoing.

1: No BOD33 synchronization is ongoing.

0: A BOD33 synchronization is ongoing.

0: No BOD18 Event.

1: BOD18 has detected that power supply is going below BOD18 reference value.

0: No BOD33 Event.

1: BOD33 has detected that power supply is going below BOD33 reference value.

0: The RC32K autocalibration has not saturated the FINE value.

31

30

29

28

27

26

25

24

-

-

-

-

-

-

-

-

23

22

21

20

19

18

17

16

-

-

-

-

-

-

-

-

15

14

13

12

11

10

9

8

-

-

-

LPBGRDY

RC1MRDY

VREGOK

SSWRDY

BOD18SYN

RDY

7

6

5

4

3

2

1

0

BOD33SYN

RDY

BOD18DET

BOD33DET

RC32SAT

RC32KREFE

RC32KLOCK

RC32KRDY

OSC32RDY